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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*<em class="jxr_comment">-</em></em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright (c) 2008-2010, Oleg Estekhin</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> * All rights reserved.</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * Redistribution and use in source and binary forms, with or without</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * modification, are permitted provided that the following conditions are met:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *  * Redistributions of source code must retain the above copyright notice,</em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *    this list of conditions and the following disclaimer.</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> *  * Redistributions in binary form must reproduce the above copyright</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> *    notice, this list of conditions and the following disclaimer in</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> *    the documentation and/or other materials provided with the distribution.</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> *  * Neither the names of the copyright holders nor the names of their</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> *    contributors may be used to endorse or promote products derived</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> *    from this software without specific prior written permission.</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="17" href="#17">17</a>  <em class="jxr_comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</em>
<a class="jxr_linenumber" name="18" href="#18">18</a>  <em class="jxr_comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</em>
<a class="jxr_linenumber" name="19" href="#19">19</a>  <em class="jxr_comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</em>
<a class="jxr_linenumber" name="20" href="#20">20</a>  <em class="jxr_comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR</em>
<a class="jxr_linenumber" name="21" href="#21">21</a>  <em class="jxr_comment"> * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL</em>
<a class="jxr_linenumber" name="22" href="#22">22</a>  <em class="jxr_comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR</em>
<a class="jxr_linenumber" name="23" href="#23">23</a>  <em class="jxr_comment"> * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER</em>
<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_comment"> * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT</em>
<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY</em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_comment"> * DAMAGE.</em>
<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">package</strong> oe.assertions;
<a class="jxr_linenumber" name="31" href="#31">31</a>  
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> A logic statement that is true if the value satisfies a predicate. */</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> Statement&lt;T&gt; {
<a class="jxr_linenumber" name="34" href="#34">34</a>  
<a class="jxr_linenumber" name="35" href="#35">35</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment">     * Returns a builder for a statement with the specified input value.</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment">     * @param value the input value</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment">     * @return a statement builder</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> &lt;T&gt; StatementDescriptionBuilder&lt;T&gt; value( T value ) {
<a class="jxr_linenumber" name="43" href="#43">43</a>          <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> StatementDescriptionBuilder&lt;T&gt;( value, <span class="jxr_string">"the actual value"</span> );
<a class="jxr_linenumber" name="44" href="#44">44</a>      }
<a class="jxr_linenumber" name="45" href="#45">45</a>  
<a class="jxr_linenumber" name="46" href="#46">46</a>  
<a class="jxr_linenumber" name="47" href="#47">47</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> T value;
<a class="jxr_linenumber" name="48" href="#48">48</a>  
<a class="jxr_linenumber" name="49" href="#49">49</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String valueDescription;
<a class="jxr_linenumber" name="50" href="#50">50</a>  
<a class="jxr_linenumber" name="51" href="#51">51</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Predicate&lt;? <strong class="jxr_keyword">super</strong> T&gt; predicate;
<a class="jxr_linenumber" name="52" href="#52">52</a>  
<a class="jxr_linenumber" name="53" href="#53">53</a>  
<a class="jxr_linenumber" name="54" href="#54">54</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment">     * Creates a new statement.</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment">     * @param value the input value</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment">     * @param valueDescription the description of the input value</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment">     * @param predicate the predicate</em>
<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_javadoccomment">     * @throws IllegalArgumentException if {@code valueDescription} or {@code predicate} is {@code null}</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>      <a href="../../oe/assertions/Statement.html">Statement</a>( T value, String valueDescription, Predicate&lt;? <strong class="jxr_keyword">super</strong> T&gt; predicate ) {
<a class="jxr_linenumber" name="64" href="#64">64</a>          <strong class="jxr_keyword">if</strong> ( valueDescription == <strong class="jxr_keyword">null</strong> ) {
<a class="jxr_linenumber" name="65" href="#65">65</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( <span class="jxr_string">"valueDescription is null"</span> );
<a class="jxr_linenumber" name="66" href="#66">66</a>          }
<a class="jxr_linenumber" name="67" href="#67">67</a>          <strong class="jxr_keyword">if</strong> ( predicate == <strong class="jxr_keyword">null</strong> ) {
<a class="jxr_linenumber" name="68" href="#68">68</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalArgumentException( <span class="jxr_string">"predicate is null"</span> );
<a class="jxr_linenumber" name="69" href="#69">69</a>          }
<a class="jxr_linenumber" name="70" href="#70">70</a>          <strong class="jxr_keyword">this</strong>.value = value;
<a class="jxr_linenumber" name="71" href="#71">71</a>          <strong class="jxr_keyword">this</strong>.valueDescription = valueDescription;
<a class="jxr_linenumber" name="72" href="#72">72</a>          <strong class="jxr_keyword">this</strong>.predicate = predicate;
<a class="jxr_linenumber" name="73" href="#73">73</a>      }
<a class="jxr_linenumber" name="74" href="#74">74</a>  
<a class="jxr_linenumber" name="75" href="#75">75</a>  
<a class="jxr_linenumber" name="76" href="#76">76</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment">     * Checks this statement.</em>
<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment">     * @return the result of this statement</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="81" href="#81">81</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> check() {
<a class="jxr_linenumber" name="82" href="#82">82</a>          <strong class="jxr_keyword">return</strong> predicate.check( value );
<a class="jxr_linenumber" name="83" href="#83">83</a>      }
<a class="jxr_linenumber" name="84" href="#84">84</a>  
<a class="jxr_linenumber" name="85" href="#85">85</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment">     * Appends a description of this statement to the specified message.</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment">     * @param message the object to append the description of the predicate</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment">     * @throws NullPointerException if {@code message} is {@code null}</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="92" href="#92">92</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> describe( Message message ) {
<a class="jxr_linenumber" name="93" href="#93">93</a>          message.indent().append( valueDescription ).append( <span class="jxr_string">": "</span> ).formatValue( value ).eol();
<a class="jxr_linenumber" name="94" href="#94">94</a>          message.indent().append( <span class="jxr_string">"the expected value"</span> ).append( <span class="jxr_string">": "</span> );
<a class="jxr_linenumber" name="95" href="#95">95</a>          predicate.describe( value, message );
<a class="jxr_linenumber" name="96" href="#96">96</a>          message.eol();
<a class="jxr_linenumber" name="97" href="#97">97</a>      }
<a class="jxr_linenumber" name="98" href="#98">98</a>  
<a class="jxr_linenumber" name="99" href="#99">99</a>  }
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